o
    o^                     @   s   d Z ddlmZ ddlmZ ddlmZ ddlZddlZddlZddlm	Z	 G dd dej
Z
ee
d	s;ee
d	e
j d
d Zdd ZdS )zUseful stuff for tests.    )absolute_import)division)print_functionN)zipc                   @   s   e Zd Zdd ZdS )TestCasec              
   C   sr  |du r
|du r
dS z|  | |  | tt|t|D ]r\}}| t|t| t| jD ]]}t||d}t||d}t|t	rXt||D ]
\}}	| 
||	 qLq4t|tjsdt|tjrt|tjtjtjfst|tjtjtjfs|  | |  | | 
|| q4| || q4q W dS  ty }
 z| dt|t||
f  W Y d}
~
dS d}
~
ww )ziCompares two ASTs and fails if there are differences.

    Ignores `ctx` fields and formatting info.
    NzASTs differ:
%s
  !=
%s

%s)ZassertIsNotNoner   astwalkZassertEqualtype_fieldsgetattr
isinstancelistcheckAstsEqualASTZLoadZStoreZParamAssertionErrorZfaildump)selfabZnode_aZnode_bZfieldZa_valZb_valZitem_aZitem_bZae r   5lib/python3.10/site-packages/pasta/base/test_utils.pyr      s>   




zTestCase.checkAstsEqualN)__name__
__module____qualname__r   r   r   r   r   r      s    r   ZassertItemsEqualc                  G   s(   t tdd | D ddd | D  S )Nc                 s   s    | ]}t | V  qd S )Nsupports_feature).0featurer   r   r   	<genexpr>D   s    z$requires_features.<locals>.<genexpr>zMTests features which are not supported by this version of python. Missing: %rc                 S   s   g | ]}t |s|qS r   r   )r   fr   r   r   
<listcomp>F   s    z%requires_features.<locals>.<listcomp>)unittestZskipIfany)Zfeaturesr   r   r   requires_featuresB   s   r#   c                 C   s   | dkrt tdottjtjS | dkr t tdottjtjS | dkr7ztd W dS  ty6   Y dS w | d	krGt td
oFttjtjS | dkrRt	j
d dk S dS )NZ
bytes_nodeBytesZ	exec_nodeExecZtype_annotationsz#def foo(bar: str=123) -> None: passFTZfstring	JoinedStrZmixed_tabs_spacesr      )hasattrr   
issubclassr$   r   r%   parseSyntaxErrorr&   sysversion_info)r   r   r   r   r   I   s    r   )__doc__Z
__future__r   r   r   r   r,   r!   Z	six.movesr   r   r(   setattrZassertCountEqualr#   r   r   r   r   r   <module>   s   
"